<?php

namespace App\Http\Controllers\Auth;

use App\Http\Controllers\Admin\BaseController;
use App\Http\Controllers\Controller;
use Illuminate\Foundation\Auth\AuthenticatesUsers;
use Illuminate\Support\Facades\Auth;
use \Illuminate\Http\Request;

class LoginController extends BaseController
{
    /*
    |--------------------------------------------------------------------------
    | Login Controller
    |--------------------------------------------------------------------------
    |
    | This controller handles authenticating users for the application and
    | redirecting them to your home screen. The controller uses a trait
    | to conveniently provide its functionality to your applications.
    |
    */

    use AuthenticatesUsers;

    /**
     * Where to redirect users after login.
     *
     * @var string
     */
    protected $redirectTo = '/admin';

    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->middleware('guest')->except('logout');
    }

    public function username()
    {
        return 'username';
    }

    public function login(Request $request)
    {
        $this->validateLogin($request);

        // If the class is using the ThrottlesLogins trait, we can automatically throttle
        // the login attempts for this application. We'll key this by the username and
        // the IP address of the client making these requests into this application.
        if ($this->hasTooManyLoginAttempts($request)) {
            $this->fireLockoutEvent($request);
            return $this->sendLockoutResponse();
        }

        if ($this->guard()->attempt(['username' => $request->username, 'password' => $request->password], $request->has('remember'))) {
            return $this->sendLoginResponse($request);
        }

        // If the login attempt was unsuccessful we will increment the number of attempts
        // to login and redirect the user back to the login form. Of course, when this
        // user surpasses their maximum number of attempts they will get locked out.
        $this->incrementLoginAttempts($request);
        return $this->sendFailedLoginResponse();
    }

    protected function sendLoginResponse(Request $request)
    {
        $request->session()->regenerate();

        $this->clearLoginAttempts($request);

        return $this->authenticated($request, $this->guard()->user())
            ? response()->json([
                'Message' => '登录失败!',
                'Success' => false
            ]) : response()->json([
                'Message' => '登录成功!',
                'Success' => true
            ]);
    }

    protected function sendLockoutResponse()
    {
        return response()->json([
            'Message' => '登录次数过多,账户已被锁定,请稍后再试!',
            'Success' => false,
        ]);
    }

    protected function sendFailedLoginResponse()
    {
        return response()->json([
            'Message' => '用户名或密码错误!',
            'Success' => false,
        ]);
    }

}
